The Packing Nut, cataloged under National Stock Number 4730-00-273-9417, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-273-9417 |
| Primary Part Number | 5190300 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | CANCELLED |
| Screw Thread Location | INTERNAL |
| Length to Shoulder | 0.375 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.469 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN |
| Major Unthreaded Outside Diameter | 0.781 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thread Length | 0.313 INCHES NOMINAL IN |
| Material Document and Classification | SAE 72, 1/2H ASSN STD SINGLE MATERIAL RESPONSE |
| Style Designator | KNURLED, INTERNAL THREAD, SHOULDERED |
| Thread Class | 3B |
| Screw Thread Series Designator | UNEF |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.688-24 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4730-00-273-9417 is a Packing Nut, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-273-9417 has 4 cross-referenced part numbers: 5190300 (General Motors Corp), 152 (Hallett Mfg Co Inc), 5190300 (Rolls-Royce Solutions America Inc), 152 (Ryan Equipment Co Inc).
There are 2 known substitutes for 4730-00-273-9417: 4240-01-063-5996, 3020-01-379-4444. Verify interchangeability with system specifications before substitution.
Key specifications for 5190300: Screw Thread Location: INTERNAL; Length to Shoulder: 0.375 INCHES NOMINAL IN; Smallest Inside Diameter: 0.469 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN; Major Unthreaded Outside Diameter: 0.781 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-273-9417 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.